215475124

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{37}}^2\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 54

約数和(自身を含む): 412771590

約数和(自身を除く): 197296466

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 109, 148, 218, 361, 436, 703, 722, 1369, 1406, 1444, 2071, 2738, 2812, 4033, 4142, 5476, 8066, 8284, 13357, 16132, 26011, 26714, 39349, 52022, 53428, 76627, 78698, 104044, 149221, 153254, 157396, 298442, 306508, 494209, 596884, 988418, 1455913, 1976836, 2835199, 2911826, 5670398, 5823652, 11340796, 53868781, 107737562, 215475124]

約数ペア:

[(1, 215475124), (2, 107737562), (4, 53868781), (19, 11340796), (37, 5823652), (38, 5670398), (74, 2911826), (76, 2835199), (109, 1976836), (148, 1455913), (218, 988418), (361, 596884), (436, 494209), (703, 306508), (722, 298442), (1369, 157396), (1406, 153254), (1444, 149221), (2071, 104044), (2738, 78698), (2812, 76627), (4033, 53428), (4142, 52022), (5476, 39349), (8066, 26714), (8284, 26011), (13357, 16132)]